/* 本地字体替代方案 */
@font-face {
    font-family: 'Poppins';
    src: local('Poppins'), 
         local('Arial'), 
         local('Helvetica'), 
         local('sans-serif');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Poppins';
    src: local('Poppins-Bold'), 
         local('Arial Bold'), 
         local('Helvetica Bold'), 
         local('sans-serif');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: local('Roboto'), 
         local('Arial'), 
         local('Helvetica'), 
         local('sans-serif');
    font-weight: 400;
    font-style: normal;
}

/* 备用字体方案 */
body {
    font-family: 'Poppins', 'Roboto', 'Arial', 'Helvetica', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Arial', 'Helvetica', sans-serif;
} 